Roland SERVICE INFORMATION NO 100227-1

                                     JP-6
    
                                    SUBJECT
    
    
                              JP-6'S PROM VER 6.0
    
              Please add the following informations to our previous
          Service Information No.100227 (Subject: PROM Ver. UP on JP-6).

            (1)  Switching the JP-6 On will automatically select
                 initial MIDI Channel 1.

            (2)  If You wish to change the Initial MIDI Channel, while
                 pressing the Tune button down, assign a MIDI Channel
                 by Pressing the Bank button (A or B) and the Number
                 Button (1 to 8).

                                  A-1...........CH-1
                                  A-2...........CH-2
                                   .
                                   .
                                   .
                                  A-8...........CH-16

         * While the Tune Button is depressed, the Indicators of the
           Bank and Number Button will be lighted, so you can easily
           tell the current MIDI Channel number.  

           (3)   Distribution of the MIDI Channel Number
                 in the SPLIT mode. The Upper section of
                 the keyboard will be assigned to the MIDI Channel
                 you have set. The Lower section will be
                 assigned to the set MIDI Channel +1.
                 
         * If the Upper section is set to Channel 16, Channel 1 is
           assigned to the Lower section.
    

        HOW IT MODIFY
    
           1.  Remove the side Panel (see Fig.1)
           2.  Open the front panel
           3.  Remove the PROM (2732-A) from the CPU-Board (see Fig.2)
           4.  Insert a new PROM (Ver 6.0).NOTE:If your JP-6 is one of the serial number 250100 to
               260499, cut the brown wire connected to the BJ-7th
               terminal. Then don't leave the cut bare end of wire in
               the open.(see Fig.3)